If you tell about something that was supposed to be a secret, we say you let the cat out of the bag.

VOA: special.2009.09.27

I was supposed to attend a summer writing program for high school students at the university.

VOA: special.2010.01.30

A hospital was not supposed to require more than eighty hours of duty in a week.

VOA: special.2010.07.13

He was supposed to guard the president, not play a game.

VOA: special.2010.05.10

Environmentalist Gidon Bromberg says a joint Israeli-Palestinian water commission that was supposed to address water issues has not been doing its job.

VOA: standard.2009.08.01

His family was in Pakistan for a wedding two weeks ago. They were supposed to leave Sunday, but were unable due to flight delays.

VOA: standard.2010.04.23

"We don't understand how come a mediator who was supposed to defend the cause of democracy will help us to embrace something we've been fighting for nine months, thinking that we were willing or keen to accept a token of gratitude from the general,".

VOA: standard.2009.03.12